mathsurgery - Construction and loci

All
• Use knowledge of properties to draw 2-D shapes and identify and draw nets of 3-D shapes (Y5)
• Estimate, draw and measure acute and obtuse angles using an angle measurer or protractor to a suitable degree of accuracy (Y5)
• Make and draw shapes with increasing accuracy and apply knowledge of their properties (Y6)
• Estimate angles, and use a protractor to measure and draw them, on their own and in shapes (Y6)

Most
• Use a ruler and protractor to:
(i) measure and draw lines to the nearest millimetre and angles, including reflex angles, to the nearest degree;
(ii) construct a triangle given two sides and the included angle (SAS) or two angles and the included side (ASA)
• Use ICT to explore constructions

Some
• Find simple loci, both by reasoning and by using ICT, to produce shapes and paths, e.g. an equilateral triangle
• Use straight edge and compasses to construct;
(i) the mid-point and perpendicular bisector of a line segment;
(ii) the bisector of an angle;
(iii) the perpendicular from a point to a line;
(iv) the perpendicular from a point on a line
(v) a triangle, given three sides (SSS)
• Use ICT to explore these constructions

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Construction and loci